Food additive databasenutrient (fortification)Checked 2026-10-02

Magnesium Oxide 酸化マグネシウム

Designated additivePermitted in the EU (E530)

Purpose: nutrient (fortification)
On the label: “酸化Mg” (magnesium oxide), “酸化マグネシウム” (magnesium oxide)
Name in the List of Designated Additives: 酸化マグネシウム (No. 175)

In Japan

An oxide of magnesium, used for purposes such as adding magnesium to foods (nutritional fortification). There are no standards for use (rules on which foods it may be used in or how much).
Its short name is “酸化Mg” (magnesium oxide). When used for nutritional fortification, labeling may, in principle, be omitted (CAA, Annex to the Food Labeling Standards explanatory notice).

Japan's standards for use

There are no standards for use that limit which foods or how much (the general standards for all additives still apply).

This is a summary of the standards for use. See the source list for the exact conditions.

In the EU

It is on the EU list of food additives (Regulation (EC) No 1333/2008, Annex II) as E530.
In the EU, the foods in which it may be used are limited to some, such as cocoa and chocolate products (up to 70 g/kg) and salt.

Sources

Checked 2026-10-02. Rules and evaluations change over time. This page is a translation of our Japanese page; if they differ, the Japanese page is the reference.

This page lists facts stated in laws and in evaluations by public bodies; it is not a safety verdict. Additives used in Japan are approved by the government, which sets the foods and amounts they can be used in. The ADI is a guide to the amount that is considered safe to take every day over a lifetime.

Other substances used as nutrient (fortification)

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